← Round and adjust lesson New set →

Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 190 · 40 questions
TalentJR

How it works (Round and adjust): Round up: 49 is 50 − 1, 98 is 100 − 2. Multiply by the round number. Take away the number times the bit you added.

NameDateTime takenScore ___ / 40
  1. 1.22 × 98 =
  2. 2.26 × 99 =
  3. 3.13 × 19 =
  4. 4.27 × 98 =
  5. 5.12 × 98 =
  6. 6.8 × 19 =
  7. 7.12 × 49 =
  8. 8.14 × 49 =
  9. 9.3 × 9 =
  10. 10.9 × 29 =
  11. 11.27 × 98 =
  12. 12.22 × 99 =
  13. 13.3 × 98 =
  14. 14.35 × 98 =
  15. 15.13 × 49 =
  16. 16.3 × 98 =
  17. 17.13 × 29 =
  18. 18.16 × 98 =
  19. 19.4 × 98 =
  20. 20.3 × 29 =
  21. 21.12 × 9 =
  22. 22.11 × 99 =
  23. 23.6 × 9 =
  24. 24.10 × 98 =
  25. 25.22 × 99 =
  26. 26.3 × 49 =
  27. 27.7 × 9 =
  28. 28.23 × 98 =
  29. 29.8 × 19 =
  30. 30.3 × 99 =
  31. 31.6 × 9 =
  32. 32.31 × 98 =
  33. 33.29 × 99 =
  34. 34.4 × 49 =
  35. 35.3 × 99 =
  36. 36.6 × 49 =
  37. 37.10 × 9 =
  38. 38.3 × 19 =
  39. 39.24 × 99 =
  40. 40.12 × 29 =

Answer key

  1. 2156
  2. 2574
  3. 247
  4. 2646
  5. 1176
  6. 152
  7. 588
  8. 686
  9. 27
  10. 261
  11. 2646
  12. 2178
  13. 294
  14. 3430
  15. 637
  16. 294
  17. 377
  18. 1568
  19. 392
  20. 87
  21. 108
  22. 1089
  23. 54
  24. 980
  25. 2178
  26. 147
  27. 63
  28. 2254
  29. 152
  30. 297
  31. 54
  32. 3038
  33. 2871
  34. 196
  35. 297
  36. 294
  37. 90
  38. 57
  39. 2376
  40. 348

Free tables & multiplication lessons, practice and worksheets at talentjr.in/multiplication-tables